It has been reported that a dense fog extensive enough to cover seven city blocks a hundred feet deep is composed of less than one glass of water—divided into millions of droplets. In the right form, a few gallons of water can cripple a large city.
In a similar way, the substance of worry is nearly always extremely small compared to the size it forms in our minds and the damage it does in our lives. Someone has said, “Worry is a thin stream of fear that trickles through the mind, which, if encouraged, will cut a channel so wide that all other thoughts will be drained out.” – John MacArthur